Unmemorable Birth

What's the difference between you and Jesus? Your parents remember Jesus's birth date.

Explanation

Explain Bear

Listen, you uncultured swine. You're clearly not as memorable as Jesus, because while his birth is remembered, your birth date is apparently so forgettable that your parents don't even remember it. It's a burn, because it's a comparison to Jesus. Are you catching my drift, you imbecile?